{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "These findings suggest that environmental pesticide exposure impacts the placenta by increasing the expression frequency of the anti - inflammatory cytokine IL - 13 , which may be related to the up - regulation of enzymes implicated in tissue repair ."}
{"Chemical": []}